1323302420 has 24 divisors (see below), whose sum is σ = 3031566048. Its totient is φ = 481200800.

The previous prime is 1323302413. The next prime is 1323302459. The reversal of 1323302420 is 242033231.

It is a super-2 number, since 2×1323302420² = 3502258589555712800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1323302392 and 1323302401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3007286 + ... + 3007725.

It is an arithmetic number, because the mean of its divisors is an integer number (126315252).

Almost surely, 2^1323302420 is an apocalyptic number.

1323302420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323302420 is an abundant number, since it is smaller than the sum of its proper divisors (1708263628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323302420 is a wasteful number, since it uses less digits than its factorization.

1323302420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6015031 (or 6015029 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1323302420 is about 36377.2239182706. The cubic root of 1323302420 is about 1097.8753534394.

Adding to 1323302420 its reverse (242033231), we get a palindrome (1565335651).

The spelling of 1323302420 in words is "one billion, three hundred twenty-three million, three hundred two thousand, four hundred twenty".